Siemens Simatic S7-1500/ET 200MP Руководство - Страница 13
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Parameters/address space
4.1
Measuring types and ranges
Introduction
The module is set to voltage measurement type with measuring range ±10 V by default. You
need to reassign the module parameters with STEP 7 if you want to use a different measuring
range.
Deactivate the input if it is not going to be used. The module cycle time is shortened and the
interference factors that lead to failure of the module (for example, triggering a hardware
interrupt) are avoided.
The following table shows the measurement type and the respective measuring range.
Table 4- 1
Measurement type
Voltage
Disabled
The tables of the input ranges, overflow, underrange, etc. are available in the appendix
Representation of analog values (Page 37).
Note
Wire break in voltage measuring ranges
"Wire break" diagnostics can be configured for the "Voltage" measurement type with the
"Measuring range 1 to 5 V". No "Wire break" diagnostics is available for the other measuring
ranges.
If there is a wire break for these measuring ranges, the channel supplies a random value as
an input value. This random value can also lie within the valid value range.
12
Measurement type and measuring range
Measuring range
±1 V
1 V to 5 V
±5 V
±10 V
-
Representation of analog values
See Representation of analog values
in voltage measuring ranges
(Page 39)
-
Analog input module AI 16xU BA (6ES7531-7LH00-0AB0)
Equipment Manual, 09/2020, A5E47052556-AA
4